---
title: "Changes to Authorize an app to access Adfin data on behalf of an Adfin user"
method: POST
path: "/oauth2/authorize"
---

# Changes to Authorize an app to access Adfin data on behalf of an Adfin user

`POST /oauth2/authorize`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 43 revisions.

- **2026-10-29** `764350eca924`: 2 info
- **2026-09-29** `d52b3f937354`: 2 info

## Changes

- **2026-10-29** `764350eca924`: 2 info
  - the endpoint scheme security `Biller Access Token (Production)` was added to the API
  - the endpoint scheme security `Biller Access Token (Staging)` was added to the API
- **2026-09-29** `d52b3f937354`: 2 info
  - added the new optional request property `codeChallenge`
  - added the new optional request property `codeChallengeMethod`

---

[Operation](https://skmtc.dev/adfin/apis/adfin-api/docs/oauth2/authorize/post.md) - [API](https://skmtc.dev/adfin/apis/adfin-api.md) - [Page](https://skmtc.dev/adfin/apis/adfin-api/changes/oauth2/authorize/post)